For rust, look around the suspension area & supports / wheel arches, look inside glove box, look at the trunk floor board, check under rocker panels, check the foot boards… Don’t forget the fridge magnet!!!! It’s a limited production car, so interior trim / chrome parts can be expensive…. Mechanically, comparable to E24…. Check the brakes, it can be PIT neck .… Carburetors are not that bad, but it also can be PIT neck….